PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Ozone has long had a role in the disinfection of water; its ability to inactivate or kill microbes such as bacteria, protozoa and viruses has been well studied and applied for decades read more Water Purifiers Keep Army Moving
http://www.w3.org/ns/prov#wasQuotedFrom
  • wcponline.com